Refrigerator



FIG. 1 is a perspective view of a refrigerator;

FIG. 2 is another perspective view of the refrigerator of FIG. 1;

FIG. 3 is a front elevation view of the refrigerator of FIG. 1;

FIG. 4 is a right side elevation view of the refrigerator of FIG. 1;

FIG. 5 is a left side elevation view of the refrigerator of FIG. 1;

FIG. 6 is a top plan view of the refrigerator of FIG. 1; and,

FIG. 7 is a bottom plan view of the refrigerator of FIG. 1.

The broken lines shown in the drawings represent unclaimed environment only and form no part of the claimed design. 

CLAIM The ornamental design for a refrigerator, as shown in the accompanying drawings and as described above. 